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it’s an expression used when someone isn’t lying, or is trying to convince you of something. like the term “on god”, “on my mamma” or, “on jah”. it refers to celebrity cameron boyce widely known for his appearance as “luke” on jessie.
“my mom gave me my juul back”
“no way dude i don’t belive you”
“dude on cam she did”
on cam by tinfoil_god September 18, 2019
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cones on cam

To partake in the consumption of cannabis via bong whilst being in a Skype video call with one or more people who are doing the same. Usually done in conjunction within the playing of video games.
Alex: "Let's hit up some Fistful of Frags"
Marcus: "Mate. Cones on cam first"
cones on cam by Dr. Habib April 21, 2016

Chemist on campus 

A drug dealer, usually in this case a student at a college or university that is dealing in addition to their studies. However a Chemist on campus may not necessarily be a student, possibly just someone who hangs around targeting students.
Person A : 'Hey bro do you know if there is a chemist on campus? I need to reimburse my supply as I got high last night with my cat and used up all my skunk'

Person B : 'I think that Johnny from our algebra class is, you should go and ask him'
Chemist on campus by BH598 July 13, 2012

big man on campus 

A guy in college with connections. The Big Man on Campus (or BMOC) knows people. He's privy to the locations of the best parties, the coolest hangout spots, and the loosest women. The term isn't used as much anymore due to the advent of internet social networking, allowing everyone to "know people"; but still, being a BMOC takes skill in real-world networking. BMOC's aren't always douchebags, but may have a slightly more inflated ego than most.
BMOC: "Ok, guys, I got us all invited to this sorority party tonight, and I know a liquor store we can stop at that doesn't card."

Other guy: "Whoa, check out the Big Man on Campus! Awesome, dude!"
big man on campus by AR-558 March 16, 2013

people r people, but u r the mazaphukah on camel 

Colloquial phrase in runglish (russian based on bad knowledge of english) . Created to convey the sense about "People are normal, but you are the most damned piece of shit like and dont fit into the environment like "the dick on the back of the camel beetween its humps"
- Why do u behave so? What's wrong with you? People r people, but u r the mazaphukah on camel!

Big Wolf on Campus

A show from 1999-2002 about a high school jock named Tommy Dawkins (Brandon Quinn) who is bitten by a werewolf. Tommy can only turn to Merton J Dingle (Danny Smith) for help. Tommy and Danny throughout the series fight a whole bunch of people who think they can be badasses and take over the world, such as vampires, mummies, other werewolves, and witches. Also Tommy and Merton have to deal with fellow badass Lori Baxter (Aimée Castle), who is Tommy's on and off girlfriend, but also has an obsession with seeing Tommy 'wolf out.' Merton wants her too, but everytime he tries she beats the crap out of him. :(
Fan- Hey, did you ever watch Big Wolf on Campus?

Danny Smith- Never heard of it.

Fan- I loved that Martin guy.

Danny Smith- I thought it was Merton?

Fan- How would YOU know?

Big Dyke On Campus BDOC 

Term for the well know, famous aka INFAMOUS, notorious, playin, pimpin, heart breakin, sex symbols, idols, lusted after, pined for, smooth talkin, pleasure giving, fashion conscious (optional), confidence oozing, dance floor pwning, and ultimately lady lovin lesbians who own the lesbian/queer scene on their campus. if you are that good you will be talked about years after you've graduated. typically has experience with all sorts of queers/females, but is especially noted for their ability to turn straight girls into questioning twitterpated potential dates/hook ups.
jasmine: "dude, kat totally could be the next Big Dyke On Campus BDOC at smith!"
tricia: "nah man, she's got style but nothin can live up to chris...now that one was a real BDOC. these new kids just can't live up to the game of their elders."

hanna: "so i really like makenna, i mean who wouldn't she's sucha BDOC!, but i don't wanna get played you know? i mean, she SAYS she really likes me but how many girls has she said that to before? plus i have like 4 of her exes in one of my classes and the glares are getting annoying..."
Big Dyke On Campus BDOC by prosody September 13, 2008
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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